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MAX3485AEASA+T - Analog Devices

Description: MAXIM INTEGRATED PRODUCTS - MAX3485AEASA+T - RS422 / RS485 Transceiver, 1 Driver, 1 Receiver, 3V to 3.6V Supply, NSOIC-8

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MAX3485AEASA+T - Analog Devices PCB footprint - Small Outline Packages - Small Outline Packages - 8 SO
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MAX3485AEASA+T - Analog Devices  - 3D model - Small Outline Packages - 8 SO
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MAX3485AEASA+T Details

  • Manufacturer Part Number:

    MAX3485AEASA+T

  • Brand Name:

    Analog Devices Inc

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Part Package Code:

    8-SOIC_N-150_MIL

  • Package Description:

    SOP-8

  • Pin Count:

    8

  • Manufacturer Package Code:

    8-SOIC_N-150_MIL

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.60

  • Date Of Intro:

    2016-09-19

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Differential Output:

    YES

  • Driver Number of Bits:

    1

  • High Level Input Current-Max:

    0.000002 A

  • Input Characteristics:

    DIFFERENTIAL SCHMITT TRIGGER

  • Interface IC Type:

    LINE TRANSCEIVER

  • Interface Standard:

    EIA-422; TIA-422; EIA-485; TIA-485

  • JESD-30 Code:

    R-PDSO-G8

  • JESD-609 Code:

    e3

  • Length:

    4.9 mm

  • Moisture Sensitivity Level:

    1

  • Number of Functions:

    1

  • Number of Terminals:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Out Swing-Min:

    1.5 V

  • Output Characteristics:

    3-STATE

  • Output Low Current-Max:

    0.002 A

  • Output Polarity:

    TRUE

  • Package Body Material:

    PLASTIC/EPOXY

  • Package Code:

    SOP

  • Package Equivalence Code:

    SOP8,.25

  • Package Shape:

    RECTANGULAR

  • Package Style:

    SMALL OUTLINE

  • Peak Reflow Temperature (Cel):

    260

  • Receive Delay-Max:

    35 ns

  • Receiver Number of Bits:

    1

  • Seated Height-Max:

    1.75 mm

  • Supply Current-Max:

    4 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    3 V

  • Supply Voltage-Nom:

    3.3 V

  • Supply Voltage1-Max:

    3.6 V

  • Supply Voltage1-Min:

    3 V

  • Supply Voltage1-Nom:

    3.3 V

  • Surface Mount:

    YES

  • Technology:

    BICMOS

  • Terminal Finish:

    Matte Tin (Sn) - annealed

  • Terminal Form:

    GULL WING

  • Terminal Pitch:

    1.27 mm

  • Terminal Position:

    DUAL

  • Time@Peak Reflow Temperature-Max (s):

    30

  • Transmit Delay-Max:

    30 ns

  • Width:

    3.9 mm

MAX3485AEASA+T Frequently Asked Questions (FAQs)

  • To ensure optimal performance, a 4-layer PCB with a dedicated ground plane is recommended. Keep the layout symmetrical, and place the MAX3485AEASA+T near the USB connector. Use short, wide traces for the USB signals, and avoid vias under the device.
  • The MAX3485AEASA+T has built-in ESD protection, but it's still recommended to add external ESD protection devices, such as TVS diodes, to ensure compliance with IEC 61000-4-2 standards.
  • Use a 0.1uF ceramic capacitor between VCC and GND, and a 1uF bulk capacitor between VCC and GND. Place the capacitors as close to the device as possible, and ensure the capacitor's voltage rating is suitable for the operating voltage.
  • Use a 1kΩ resistor and a 10uF capacitor to create a reset circuit. Connect the resistor between the USB VBUS line and the reset pin, and the capacitor between the reset pin and GND. This ensures a robust reset signal during power-up.
  • Use a 16x or 32x clock multiplier to generate the UART clock from the 12MHz crystal oscillator. This ensures accurate data transmission and reception.

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MAX3485AEASA+T Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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